Home / 512,185,939.44-706,521,569.07-308,359,406.09

Finding the Fourth Proportional to 512,185,939.44, 706,521,569.07 and 308,359,406.09

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Solution

The fourth proportional to 512,185,939.44, 706,521,569.07 and 308,359,406.09 is: 425,358,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,185,939.44 : 706,521,569.07 = 308,359,406.09 : x
  2. Step 2: Convert to fraction form
    512,185,939.44/706,521,569.07 = 308,359,406.09/x
  3. Step 3: Cross multiply
    512,185,939.44x = 706,521,569.07 × 308,359,406.09
  4. Step 4: Simplify right side
    512,185,939.44x = 217,862,571,428,200,096
  5. Step 5: Solve for x
    x = 217,862,571,428,200,096/512,185,939.44
  6. Step 6: Final answer
    x = 425,358,360.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.